Discover Questions

How many planets are there in the Universe and how many satellites ? The combustion of 1.0-lb of oil provides 2.4×107J. How many kg of oil needed to heat 190 kg of water from 29 ∘Cto100 ∘C? 100 ml of 0,01M acetic acid is mixed with 50 ml of 0,02M sodium hydroxide. (pKa= 4,75)? Can someone give me an explanation as to why you use tangent as opposed to sine and cosine to find height without the hypotenuse? The molal freezing point depression constant
for water is 1.86◦C/m. A water solution that
is 0.50 molal in sugar would freeze at?